Update docs.

Author: johnbartholomew

ref/bindings.html

@@ -247,6 +247,7 @@ <h2 id="python_api">Python API</h2>
         Keyword arguments to these functions are used to control the virtual machine.  They are:
       </p>
       <ul>
+        <li><tt>jpathdir</tt>&nbsp;&nbsp; (string or list of strings)</li>
         <li><tt>max_stack</tt>&nbsp;&nbsp; (number)</li>
         <li><tt>gc_min_objects</tt>&nbsp;&nbsp; (number)</li>
         <li><tt>gc_growth_trigger</tt>&nbsp;&nbsp; (number)</li>
@@ -329,7 +330,10 @@ <h2 id="third_party_apis">Unofficial Third Party APIs</h2>
           <a href="https://github.com/yuduanchen/luajit-jsonnet">LuaJIT (FFI)</a>
         </li>
         <li>
-          <a href="https://github.com/yosuke-furukawa/node-jsonnet">Node.js</a>
+          <a href="https://github.com/yosuke-furukawa/node-jsonnet">Node.js node-jsonnet</a>: C++ version compiled to JS code
+        </li>
+        <li>
+          <a href="https://github.com/olpa/templating-for-api/tree/master/jsonnet-js-ts">Node.js tplfa-jsonnet</a>: Golang version compiled to WASM code
         </li>
         <li>
           <a href="https://github.com/Neeke/Jsonnet-PHP">PHP</a>
@@ -338,8 +342,9 @@ <h2 id="third_party_apis">Unofficial Third Party APIs</h2>
           <a href="https://github.com/yugui/ruby-jsonnet">Ruby</a>
         </li>
         <li>
-          <a href="https://github.com/anguslees/rust-jsonnet">Rust</a> but please first consider the
-          <a href="https://github.com/CertainLach/jrsonnet">native port</a>
+          <a href="https://github.com/anguslees/rust-jsonnet">Rust</a> but please first consider
+          one of the native ports (<a href="https://github.com/CertainLach/jrsonnet">jrsonnet</a>
+          or <a href="https://github.com/eduardosm/rsjsonnet">rsjsonnet</a>)
         </li>
         <li>
           <a href="https://github.com/moleike/haskell-jsonnet">Haskell native port</a>

ref/spec.html

@@ -1244,7 +1244,7 @@ <h3 id="desugaring">Desugaring</h3>
         </p>
         <div class="desugar-rule">
           \[
-            desugar(e) =  desugar_{expr}(\local{\texttt{std} = e_{std}}{e}, false)
+            desugar(e) =  desugar_{expr}(\local{\texttt{\$std} = e_{std}}{\local{\texttt{std} = \texttt{\$std}}{e}}, false)
           \]
         </div>
       </div>
@@ -1406,7 +1406,7 @@ <h3 id="desugaring">Desugaring</h3>
         <div class="desugar-rule">
           \[
             desugar_{expr}(e[e':e'':e'''], b) =
-                desugar_{expr}(\texttt{std.slice}(e, e', e'', e'''), b)
+                desugar_{expr}(\texttt{\$std.slice}(e, e', e'', e'''), b)
           \]
         </div>
 
@@ -1437,27 +1437,27 @@ <h3 id="desugaring">Desugaring</h3>
 
         <div class="desugar-rule">
           \[
-            desugar_{expr}(e \mathop{==} e', b) = desugar_{expr}(\texttt{std.equals}(e, e'), b)
+            desugar_{expr}(e \mathop{==} e', b) = desugar_{expr}(\texttt{\$std.equals}(e, e'), b)
           \]
         </div>
 
         <div class="desugar-rule">
           \[
-            desugar_{expr}(e \mathop{\%} e', b) = desugar_{expr}(\texttt{std.mod}(e, e'), b)
+            desugar_{expr}(e \mathop{\%} e', b) = desugar_{expr}(\texttt{\$std.mod}(e, e'), b)
           \]
         </div>
 
         <div class="desugar-rule">
           \[
             desugar_{expr}(e \mathop{\texttt{in}} e', b) =
-                desugar_{expr}(\texttt{std.objectHasEx}(e', e, \texttt{true}), b)
+                desugar_{expr}(\texttt{\$std.objectHasEx}(e', e, \texttt{true}), b)
           \]
         </div>
 
         <div class="desugar-rule">
           \[
             desugar_{expr}(e \mathop{\texttt{in}} \texttt{super}, b) =
-                desugar_{expr}(\texttt{std.objectHasEx}(\texttt{super}, e, \texttt{true}), b)
+                desugar_{expr}(\texttt{\$std.objectHasEx}(\texttt{super}, e, \texttt{true}), b)
           \]
         </div>
       </div>
@@ -1603,8 +1603,8 @@ <h3 id="desugaring">Desugaring</h3>
             \hspace{10mm}\textrm{Let }arr, i\textrm{ fresh} \\
             \hspace{10mm}desugar_{expr}(
                 \local{arr = e'}{
-                    \texttt{std.join}(\\\hspace{20mm}[\ ], \texttt{std.makeArray}(
-                        \texttt{std.length}(arr),
+                    \texttt{\$std.join}(\\\hspace{20mm}[\ ], \texttt{\$std.makeArray}(
+                        \texttt{\$std.length}(arr),
                         \function{i}{\local{x = arr[i]}{desugar_{arrcomp}(e, compspec, b)}}
                     ))
                 },
@@ -1618,8 +1618,8 @@ <h3 id="desugaring">Desugaring</h3>
             \hspace{10mm}\textrm{Let }arr, i\textrm{ fresh} \\
             \hspace{10mm}desugar_{expr}(
                 \local{arr = e'}{
-                    \texttt{std.join}(\\\hspace{20mm}[\ ], \texttt{std.makeArray}(
-                        \texttt{std.length}(arr),
+                    \texttt{\$std.join}(\\\hspace{20mm}[\ ], \texttt{\$std.makeArray}(
+                        \texttt{\$std.length}(arr),
                         \function{i}{\local{x = arr[i]}{[e]}}
                     ))
                 },